John A. Dreibelbis

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Wattsburg, PA, US

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Patents Grantslast 30 patents

Information Patent Grant
Silica catalyst supports for hydration of ethylene to ethanol
- Patent number 4,937,394
- Issue date Jun 26, 1990
- Mallinckrodt, Inc.
- John A. Dreibelbis
- B24 - GRINDING POLISHING
Information Patent Grant
Silica catalyst supports
- Patent number 4,783,435
- Issue date Nov 8, 1988
- Mallinckrodt, Inc.
- John A. Dreibelbis
- B24 - GRINDING POLISHING
Information Patent Grant
Silica catalyst supports
- Patent number 4,617,060
- Issue date Oct 14, 1986
- Mallinckrodt, Inc.
- John A. Dreibelbis
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL